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6FTT

ATP phosphoribosyltransferase (HisZG ATPPRT) from Psychrobacter arcticus in complex with PRPP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, C, B, D)
ATP phosphoribosyltransferase regulatory subunitpolymer38843129.04UniProt (Q4FTX3)
Pfam (PF13393)
Psychrobacter arcticus 273-4
2E, F, G, H
(E, H, G, F)
ATP phosphoribosyltransferasepolymer23225241.04UniProt (Q4FQF7)
Pfam (PF01634)
Psychrobacter arcticus 273-4ATP-PRTase
3I, K, M, O
(A, C, B, D)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
4BA, J, L, N, P...
(F, A, C, B, D...)
CHLORIDE IONnon-polymer35.512Chemie (CL)
5AA, R, T, W
(F, E, H, G)
1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranosenon-polymer390.14Chemie (PRP)
6CA, DA, EA, FA, GA...
(A, C, B, D, E...)
waterwater18.0532Chemie (HOH)
Sequence modifications
A, C, B, D: 1 - 387 (UniProt: Q4FTX3)
PDBExternal DatabaseDetails
Gly 0-expression tag
E, H, G, F: 1 - 231 (UniProt: Q4FQF7)
PDBExternal DatabaseDetails
Gly 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight273480.0
Non-Polymers*Number of molecules20
Total formula weight2082.9
All*Total formula weight275563.0
*Water molecules are not included.

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PDB entries from 2025-07-30

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